March, 2002 Established Signi aluminium Co., Ltd, Completed rolling plant in Luoyang, Henan.
May, 2003  Started 10 casting-rolling lines, become biggest CC materials manufacturer in Henan.

March, 2003 Began 2 lines of 1850mm width cold rolling machine.
February, 2004  Started 6 lines of 2450mm width cold rolling lines.
March, 2005  Started 2730mm width 1+2 hot rolling.

September, 2006  Started 6 lines of aluminium insulation jacketing lines. 

November, 2008 Started 6 lines of aluminium sublimation sheet lines.